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Physical & Chemical properties

Particle size distribution (Granulometry)

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Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
2011
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011
Report Date:
2011

Materials and methods

Test guideline
Qualifier:
no guideline required
Principles of method if other than guideline:
Sieving method
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder

Results and discussion

Particle size
Key result
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
> 500 µm
Distribution:
0 %
No.:
#2
Size:
> 250 - < 500 µm
Distribution:
0.2 %
No.:
#3
Size:
> 125 - < 250 µm
Distribution:
16.2 %
No.:
#4
Size:
> 63 - 125 µm
Distribution:
30.2 %
No.:
#5
Size:
> 36 - < 63 µm
Distribution:
46.4 %

Applicant's summary and conclusion

Conclusions:
The size of 83.6 % of the total sample is less than 125 µm and most probably the MMAD is below 100 µm.